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Poster: dead-head_Monte Date: Feb 25, 2012 2:12pm
Forum: GratefulDead Subject: Re: the wall and how was it wired

David Gans laughing when he's reading my comments about "Alembic and the GD crew wiring the GD's Wall of Sound PA System in 1973"
david_gans.jpgThe wiring from their amplifiers to their speakers could have been an ongoing combination of series and parallel circuits. In theory, these differing impedance combinations for their speaker arrays might have depended upon each particular venue. Why? Achieving the optimal desired sound pressure level at each venue would have been done differently at each venue.

Theoretically, each venue's size, stage, and seating would have dictated the number of speakers needed at each venue. This determines how things were configured. The crew achieved the desired sound quality, dynamic range, clarity, and loudness that GD and Alembic were famous for. Therefore, the number of amplifiers used at each venue probably depended upon how many speakers were being used, and how they were being arrayed.

I believe the wiring requirements would have been determined by how Alembic and GD's crew configured their PA System at each venue. The 1973 outdoors venues were large, and some of them were huge. Indoor venues were smaller. My theory could be totally wrong regarding how the engineering managers approached this stuff. Obviously, equipment availability for each venue was another factor to consider. Turnaround times for striking the PA at the end of their last gig, and then setting it up again at the next gig, between venues, would have been the crucial factor.

Sometimes they borrowed extra equipment, as was the case at Watkins Glen: "The crowd was so huge that a large part of the audience was not able to see the stage; however, twelve huge sound amplifiers, installed courtesy of legendary promoter Bill Graham, allowed the audience to at least hear." - from Wikipedia | headline below appeared on Sunday, July 29, 1973.
I think that Rhino could have David Lemieux hire Charlie Miller and me for a June 1973 RFK Stadium project. Rhino could be the first commercial media outfit in the 21st century world to roll out a multi-DVD-type "single-venue box" release that includes:

• 2 SBDs, 2 MTXs, 2 DTSs, and 2 AUDs
• interviews with the tapers and filmmakers
• interviews with the recording and sound engineers
• interviews with fans who attended this venue
• additional photos and films
• additional venue documentation such as PDFs
• SBDs, MTXs, DTSs and Videos - available for commercial download; AUDs are free

The audio tape reels for these shows should be baked, transferred again, pitch corrected again, and remastered again. Photos and films need to be collected to see what we have to work with. Getting the Allman Brothers Band involved with this project would take it to its proper place in history.

Rhino could be the first outfit in the world to successfully bring tapers into the fold on a commercial release without tarnishing anything. I sure would appreciate it if GD fans would contact Rhino and David Lemieux about this. Thanks.

discussion with Charlie Miller
story about taping Grateful Dead at RFK Stadium in June 1973
Monte's Taper Compendium
Alembic articles are in this Bear-Gans interview item

Lossless Legs recently circulated a memorabilia torrent. That's where the David Gans photo, above, comes from. This torrent also includes what I've reproduced below. I had to edit this a few times to include this stuff, and to get the credits in there.

The first item below is what appears to me to be a "newsletter" produced by Alembic. I'm guessing at this, but I'll bet Alembic circulated this, and it was probably in every music store in the country.

The second item below, Grateful Dead Wired for Sound by Jim Aikin, is reproduced "as is" and all I did was to cut it up differently to make it more presentable on a web page here. I do not have the source and date for this article.






This post was modified by dead-head_Monte on 2012-02-25 22:12:27

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Poster: deadpolitics Date: Feb 25, 2012 10:45am
Forum: GratefulDead Subject: Re: the wall and how was it wired

Ahhhh! Thank you! Where is page 34 with continuation of pink noise discussion??

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Poster: AltheaRose Date: Feb 26, 2012 5:48am
Forum: GratefulDead Subject: Re: the wall and how was it wired

Really interesting. The parts I understood, anyway :-)

Favorite quote: "We want a clean sound. It makes you feel better." I like that being a musical goal!